/* cocoart-2026-reborn.css */
@import url('https://fonts.googleapis.com/css2?family=Zen+Maru+Gothic:wght@400;500;700;900&family=Shippori+Mincho:wght@400;700&family=Potta+One&display=swap');

:root {
    --color-sky: #00BFFF; /* Deep Sky Blue */
    --color-cyan: #00E5EE;
    --color-blue-deep: #0077b6;
    --color-orange: #FF8C00;
    --color-red: #FF4500;
    --color-lime: #32CD32;
    --color-base: #F8FDFF;
    --color-text: #2C3E50;
    --color-white: #FFFFFF;
    
    --font-main: 'Zen Maru Gothic', sans-serif;
    --font-accent: 'Potta One', system-ui; /* For "Unique" feel */
    --font-serif: 'Shippori Mincho', serif;
}

.text-center {
    text-align: center;
}

/* Hero Info Text Fix */
.info-text-focus {
    color: var(--color-blue-deep);
    font-weight: 700;
    background: rgba(255, 255, 255, 0.7);
    padding: 2px 10px;
    border-radius: 20px;
    display: inline-block;
    backdrop-filter: blur(5px);
}

/* Base Style */
body {
    background-color: var(--color-base);
    color: var(--color-text);
    font-family: var(--font-main);
    line-height: 1.8;
    margin: 0;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Glassmorphism utility */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    opacity: 0;
}

.fade-in.visible {
    animation: fadeInUp 1s ease forwards;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: url('../images/cocoart-2026/hero-blue-rose.webp') no-repeat center center/cover;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    text-align: center;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(0, 191, 255, 0.4), rgba(0, 0, 0, 0.2));
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 2rem;
    border-radius: 30px;
}

.hero-subtitle {
    font-family: var(--font-accent);
    font-size: 1.5rem;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
    text-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.hero-title {
    font-size: 5rem;
    font-weight: 900;
    margin: 0;
    line-height: 1.1;
    text-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.hero-date {
    display: inline-block;
    margin-top: 2rem;
    padding: 0.8rem 2.5rem;
    background: var(--color-orange);
    color: #fff;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.2rem;
    box-shadow: 0 10px 20px rgba(255, 140, 0, 0.4);
}

/* Concept Section */
.section-concept {
    padding: 100px 0;
    background: url('data:image/svg+xml,<svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"><path fill="%2300BFFF" fill-opacity="0.05" d="M44.7,-76.4C58.2,-69.2,70.1,-58.5,77.9,-45.5C85.8,-32.5,89.5,-17.2,88.7,-2.3C87.9,12.6,82.5,27,74.1,39.6C65.6,52.2,54.1,62.9,40.8,70.4C27.5,77.9,12.4,82.2,-2.2,85.6C-16.7,89,-33.4,91.5,-47.5,86.2C-61.6,80.8,-73.1,67.6,-80.4,52.9C-87.8,38.2,-91,22,-90.4,6.4C-89.8,-9.2,-85.4,-24.1,-77.4,-37.2C-69.3,-50.2,-57.6,-61.4,-44.2,-68.7C-30.8,-76.1,-15.4,-79.6,0.1,-79.7C15.6,-79.9,31.2,-83.6,44.7,-76.4Z" transform="translate(100 100)" /></svg>') no-repeat center center/contain;
}

.concept-box {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.section-tag {
    color: var(--color-sky);
    font-weight: 900;
    letter-spacing: 0.2rem;
    text-transform: uppercase;
    display: block;
    margin-bottom: 1rem;
    text-align: center;
}

.modal-content h2.section-title {
    margin-bottom: 2rem;
    text-align: center;
}

.section-title {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 3rem;
    position: relative;
    text-align: center;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 5px;
    background: var(--color-orange);
    border-radius: 10px;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    transition: all 0.3s;
    backdrop-filter: blur(10px);
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background: var(--color-white);
    max-width: 90%;
    max-height: 90%;
    width: 1000px;
    border-radius: 30px;
    position: relative;
    overflow-y: auto;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    text-align: center;
}

.modal-close {
    position: absolute;
    top: 20px; right: 20px;
    background: var(--color-sky);
    color: #fff;
    border: none;
    width: 40px; height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
}

/* Guidelines Text Style */
.guidelines-body {
    text-align: left;
    line-height: 2;
}

.guidelines-body h3 {
    border-left: 5px solid var(--color-sky);
    padding-left: 15px;
    margin: 30px 0 15px;
    color: var(--color-blue-deep);
}

.guidelines-body ul {
    padding-left: 20px;
    margin-bottom: 20px;
}

/* Exhibitor Dropdown / Grid */
.exhibitor-list {
    display: none;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.5rem;
    padding: 2rem 0;
    animation: fadeIn 0.5s ease forwards;
}

.exhibitor-list.active {
    display: grid;
}

.exhibitor-card {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    border: 1px solid #eee;
    text-align: center;
    transition: transform 0.3s;
}

.exhibitor-card:hover {
    transform: scale(1.03);
}

.ex-img {
    height: 150px;
    background-size: cover;
    background-position: center;
}

.ex-info {
    padding: 1rem;
}

.ex-name {
    font-weight: 700;
    margin-bottom: 0.3rem;
    display: block;
}

.ex-desc {
    font-size: 0.8rem;
    color: #666;
    margin-bottom: 0.8rem;
    display: block;
}

.ex-link {
    font-size: 0.75rem;
    color: var(--color-sky);
    text-decoration: underline;
}

.concept-text {
    font-size: 1.2rem;
    line-height: 2.2;
    text-align: justify;
    text-justify: inter-character;
}

/* Card Grid Styles */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 50px;
}

.premium-card {
    background: var(--color-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0,0,0,0.05);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
}

.premium-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 50px rgba(0, 191, 255, 0.15);
}

.card-img {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.card-body {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.card-title {
    font-size: 1.4rem;
    font-weight: 900;
    margin-bottom: 1rem;
    color: var(--color-blue-deep);
}

.card-tag {
    font-size: 0.8rem;
    background: var(--color-base);
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    margin-bottom: 1rem;
    display: inline-block;
    color: var(--color-sky);
}

.btn-premium {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: linear-gradient(to right, var(--color-sky), var(--color-blue-deep));
    color: #fff;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 700;
    text-align: center;
    transition: opacity 0.3s;
    margin-top: auto;
    border: none;
    cursor: pointer;
    outline: none;
}

.btn-premium:hover {
    opacity: 0.8;
}

/* Marche Section */
.section-marche {
    background-color: var(--color-white);
    padding: 100px 0;
}

/* Access Section */
.section-access {
    background-color: #f0f7ff;
    padding: 100px 0;
}

.access-info {
    background: rgba(255, 255, 255, 0.95); /* より不透明度を高く */
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 191, 255, 0.15);
    backdrop-filter: blur(10px);
    text-align: left;
    color: #2c3e50; /* 黒に近い濃いグレー */
}

.access-info h3 {
    margin-top: 0;
    color: var(--color-blue-deep);
    font-weight: 900;
}

.access-info p {
    color: #2c3e50;
    line-height: 1.8;
}

.access-info strong {
    color: #000; /* 強調部分は純粋な黒に近い色に */
}

.access-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.map-container {
    border-radius: 20px;
    overflow: hidden;
    height: 450px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* Footer */
footer {
    background: var(--color-blue-deep);
    color: #fff;
    padding: 60px 0 30px;
    text-align: center;
}

/* Responsive */
@media (max-width: 900px) {
    .hero-title { font-size: 3rem; }
    .access-grid { grid-template-columns: 1fr; }
    .section-title { font-size: 2.2rem; }
}

/* Partners & Sponsors Section */
.section-partners {
    background-color: #fff;
    padding: 100px 0;
}

.partners-category {
    margin-bottom: 4rem;
}

.partners-category:last-child {
    margin-bottom: 0;
}

.category-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-blue-deep);
    border-bottom: 2px solid var(--color-sky);
    display: inline-block;
    padding-bottom: 0.5rem;
    margin-bottom: 2rem;
    letter-spacing: 0.1em;
}

.partners-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem 3rem;
    align-items: center;
}

/* Special Sponsors Styles */
.special-sponsor-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem 4rem;
    align-items: center;
    margin-top: 1rem;
}

.sponsor-logo {
    max-width: 240px;
    height: auto;
    transition: transform 0.3s ease;
    filter: none;
    opacity: 1;
}

.sponsor-logo:hover {
    transform: scale(1.05);
}

.sponsor-text {
    font-size: 1.8rem;
    font-weight: 800;
    color: #2c3e50;
    letter-spacing: 0.05em;
    text-decoration: none;
    line-height: 1.2;
    transition: color 0.3s ease;
}

.sponsor-text:hover {
    color: var(--color-blue-deep);
}

@media (max-width: 768px) {
    .special-sponsor-grid {
        gap: 1.5rem 2rem;
    }
    .sponsor-logo {
        max-width: 200px;
    }
    .sponsor-text {
        font-size: 1.4rem;
    }
}

.partner-item {
    font-size: 1rem;
    color: #444;
    font-weight: 500;
}

.partner-item.gold {
    font-size: 1.2rem;
    font-weight: 700;
    color: #2c3e50;
}

@media (max-width: 768px) {
    .partners-grid {
        gap: 1rem 1.5rem;
    }
    .partner-item {
        font-size: 0.9rem;
    }
    .partner-item.gold {
        font-size: 1rem;
    }
}

/* Volunteer Section */
.section-volunteer {
    padding: 100px 0;
    background-color: #fff;
    text-align: center;
}

.volunteer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    text-align: left;
}

.volunteer-card {
    background: #f8fdff;
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(0, 191, 255, 0.1);
    transition: transform 0.3s ease;
}

.volunteer-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 191, 255, 0.1);
}

.volunteer-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    display: block;
}

.volunteer-card h3 {
    color: var(--color-blue-deep);
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.volunteer-card ul {
    padding-left: 1.2rem;
    margin-bottom: 0;
}

.volunteer-card li {
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.volunteer-footer {
    margin-top: 4rem;
    padding: 2rem;
    background: #f0f7ff;
    border-radius: 20px;
    display: inline-block;
    width: 100%;
    max-width: 800px;
}

.volunteer-deadline {
    display: inline-block;
    background: var(--color-red);
    color: #fff;
    padding: 0.2rem 1rem;
    border-radius: 50px;
    font-weight: 700;
    margin-bottom: 1rem;
}

.closed-message {
    background: #f8f9fa;
    color: #6c757d;
    padding: 1rem;
    border-radius: 12px;
    border: 2px dashed #dee2e6;
    font-weight: 700;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-top: auto;
}